diff --git a/package-lock.json b/package-lock.json
index 3990e802b4..cc6576f7c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17299,6 +17299,7 @@
         "fs-extra": "^11.1.1",
         "mkdirp": "^3.0.0",
         "pretty-ms": "^8.0.0",
+        "slash": "^5.0.0",
         "tmp": "^0.2.1",
         "trie-search": "^1.4.1",
         "uuid": "^9.0.0",
@@ -18538,6 +18539,7 @@
         "fs-extra": "^11.1.1",
         "mkdirp": "^3.0.0",
         "pretty-ms": "^8.0.0",
+        "slash": "^5.0.0",
         "tmp": "^0.2.1",
         "trie-search": "^1.4.1",
         "uuid": "^9.0.0",
diff --git a/packages/builder/bin/prescan.sh b/packages/builder/bin/prescan.sh
index 8040b21745..d36ac3ee3e 100755
--- a/packages/builder/bin/prescan.sh
+++ b/packages/builder/bin/prescan.sh
@@ -40,7 +40,7 @@ if [ -z "$KUI_PRESCAN" ]; then
 fi
 
 echo "compiling plugin registry $CLIENT_HOME to ${KUI_PRESCAN-default location}"
-MAIN=$(node -e "console.log(require(\"$CLIENT_HOME/package.json\".replace(/^\/c\//, \"c:/\")).main)")
+MAIN=$(node -e "path=\"$CLIENT_HOME/package.json\"; if (process.platform === 'win32') path = path.replace(/^\/([a-zA-Z])\//, \"\$1:/\"); console.log(require(path).main)")
 MAIN_PROXY=$(echo "$MAIN" | sed -E 's/\.min\.js/-proxy.min.js/')
 if [ -f "$MAIN" ]
 then KUI_HEADLESS=true node "$MAIN" -- kui internal scan
diff --git a/packages/core/package.json b/packages/core/package.json
index b8549af0a3..f981402d65 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -49,6 +49,7 @@
     "fs-extra": "^11.1.1",
     "mkdirp": "^3.0.0",
     "pretty-ms": "^8.0.0",
+    "slash": "^5.0.0",
     "tmp": "^0.2.1",
     "trie-search": "^1.4.1",
     "uuid": "^9.0.0",
diff --git a/packages/core/src/plugins/scanner.ts b/packages/core/src/plugins/scanner.ts
index f71ed5b247..a2595fa450 100644
--- a/packages/core/src/plugins/scanner.ts
+++ b/packages/core/src/plugins/scanner.ts
@@ -17,6 +17,7 @@
 import Debug from 'debug'
 const debug = Debug('core/plugins/scanner')
 
+import slash from 'slash'
 import { join } from 'path'
 
 import { pluginRoot } from './plugins'
@@ -197,7 +198,7 @@ const topologicalSortForScan = async (
     debug('resolving %s', route)
     try {
       const module = { route, path: pluginPaths[route] }
-      await loadPlugin(route, pluginPaths[route], scanCache)
+      await loadPlugin(route, slash(pluginPaths[route]), scanCache)
       scanCache.flat.push(module)
       delete pluginPaths[route]
     } catch (err) {
@@ -273,7 +274,7 @@ export const scanForModules = async (dir: string, quiet = false, filter: Filter
 
       await Promise.all(
         modules.map(async module => {
-          const modulePath = path.join(moduleDir, module)
+          const modulePath = slash(path.join(moduleDir, module))
           const name = (parentPath ? `${parentPath}/` : '') + module
 
           try {